Professional Petroleum Services Ltd.
- Offering a variety of services to petroleum sector companies from technical engineering and studies to personnel recruiting and contracting.
- http://www.trinidad.net/pps/

Trinidad Inspection Services Ltd.
- TISl has since 1972 between the chief supplier of non-destructive testing services to the Petroleum, Petro-Chemical and other downstream industries in Trinidad.
- http://www.tistt.com

Damus Group of Companies
- Group of companies whose services include roofing, construction engineers, packaging, oil production, customs brokerage, financial and accounting management. Provides links to the individual companies for a quick overview of services and products offered
- http://www.damusgroup.com/

ENMAN Services, Ltd.
- Founded in 1993 to provide local support to foreign investors and their projects. Offers a range of services that include project management, engineering services, development, quality control, engineering and consulting. Provides a corporate history an
- http://www.enmangroup.com

Safety Supply Trinidad, Ltd.
- Offering a variety of products and services that include suppression systems, alarm and security systems, gas and fire detection equipment, exit signs and lights. Provides a company profile and contact information.
- http://www.safetysupplytt.com/

Trinidad Energy Supplies and Services, Ltd.
- Founded in 1994 to service the petroleum and petrochemical industries. Offers a range of products and services that include, janitorial supplies, laboratory products, industrial and chemical products, provides photos of the staff and contact information.
- http://www.trinidadenergy.com

Chemcontrol Trinidad
- Distributors of plastics, chemicals and steel products since 1992. Offers a variety of products like adhesives, inks, fertilizers, polystyrene, solvents and includes over 30 main product lines comprising of over 50 major grades and 110 specialized produc
- http://www.chemcontrol.co.tt

Trinidad Oilfield Supplies Ltd.
- Providing engineering solutions to the oil, gas, petrochemical, power generation and manufacturing industries.
- http://www.tosl.com/

Petrotrin
- Petroleum Company of Trinidad and Tobago Limited. Site offers corporate background, company news, services and other info on this State-owned company.
- http://www.petrotrin.com/